1 /* Target-independent configuration for VxWorks and VxWorks AE. 2 Copyright (C) 2005-2018 Free Software Foundation, Inc. 3 Contributed by CodeSourcery, LLC. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 3, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 /* VxWorks headers are C++-aware. */ 22 #undef NO_IMPLICIT_EXTERN_C 23 #define NO_IMPLICIT_EXTERN_C 24 25 /* Most of these will probably be overridden by subsequent headers. We 26 undefine them here just in case, and define VXWORKS_ versions of each, 27 to be used in port-specific vxworks.h. */ 28 #undef LIB_SPEC 29 #undef LINK_SPEC 30 #undef LIBGCC_SPEC 31 #define LIBGCC_SPEC VXWORKS_LIBGCC_SPEC 32 #undef STARTFILE_SPEC 33 #undef ENDFILE_SPEC 34 35 /* Most of these macros are overridden in "config/vxworks.h" or 36 "config/vxworksae.h" and are here merely for documentation 37 purposes. */ 38 #define VXWORKS_ADDITIONAL_CPP_SPEC "" 39 #define VXWORKS_LIB_SPEC "" 40 #define VXWORKS_LINK_SPEC "" 41 #define VXWORKS_LIBGCC_SPEC "" 42 #define VXWORKS_STARTFILE_SPEC "" 43 #define VXWORKS_ENDFILE_SPEC "" 44 45 /* VxWorks cannot have dots in constructor labels, because it uses a 46 mutant variation of collect2 that generates C code instead of 47 assembly. Thus each constructor label must be a legitimate C 48 symbol. FIXME: Have VxWorks use real collect2 instead. */ 49 #undef NO_DOLLAR_IN_LABEL 50 #define NO_DOT_IN_LABEL 51 52 /* VxWorks uses wchar_t == unsigned short (UCS2) on all architectures. */ 53 #undef WCHAR_TYPE 54 #define WCHAR_TYPE "short unsigned int" 55 #undef WCHAR_TYPE_SIZE 56 #define WCHAR_TYPE_SIZE 16 57 58 /* Likewise wint_t. */ 59 #undef WINT_TYPE 60 #define WINT_TYPE "short unsigned int" 61 #undef WINT_TYPE_SIZE 62 #define WINT_TYPE_SIZE 16 63 64 /* Dwarf2 unwind info is supported. */ 65 #undef DWARF2_UNWIND_INFO 66 #define DWARF2_UNWIND_INFO 1 67 68 /* VxWorks uses DWARF2. */ 69 #define DWARF2_DEBUGGING_INFO 1 70 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG 71 72 /* None of these other formats is supported. */ 73 #undef DBX_DEBUGGING_INFO 74 #undef XCOFF_DEBUGGING_INFO 75 #undef VMS_DEBUGGING_INFO 76 77 /* Kernel mode doesn't have ctors/dtors, but RTP mode does. */ 78 #define TARGET_HAVE_CTORS_DTORS false 79 #define VXWORKS_OVERRIDE_OPTIONS /* empty */ 80 81 /* No math library needed. */ 82 #define MATH_LIBRARY "" 83 84 /* No profiling. */ 85 #define VXWORKS_FUNCTION_PROFILER(FILE, LABELNO) do \ 86 { \ 87 sorry ("profiler support for VxWorks"); \ 88 } while (0) 89 90 /* We occasionally need to distinguish between the VxWorks variants. */ 91 #define VXWORKS_KIND_NORMAL 1 92 #define VXWORKS_KIND_AE 2 93